Antitussive effect of ethyl dibunate in patients with chronic cough.
D000368:Aged; D000996:Antitussive Agents / Q000627:therapeutic use*; D001991:Bronchitis / Q000188:drug therapy; D002986:Clinical Trials as Topic; D003061:Codeine / Q000627:therapeutic use; D003371:Cough / Q000188:drug therapy*; D004646:Emphysema / Q000188:drug therapy; D006801:Humans; D008297:Male; D008875:Middle Aged; D010919:Placebos; D013451:Sulfonic Acids / Q000627:therapeutic use*
D000996:Antitussive Agents; D010919:Placebos; D013451:Sulfonic Acids; D003061:Codeine